GIMP circle brushes

GIMP circle brushes provides circle brushes for
use as "rubber stamps" in the GIMP. They can be
used with one click instead of creating outline
circles by making a circle, filling with black,
shrinking, and filling with white. The following
pixel sizes are provided: 6, 12, 15, 20, 24, 30,
40, 50, 60, 80, 100, 140, 200, 300, 400, 500, and 600.